Home / 193,661.79-267,253.43-108,778.92

Finding the Fourth Proportional to 193,661.79, 267,253.43 and 108,778.92

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Solution

The fourth proportional to 193,661.79, 267,253.43 and 108,778.92 is: 150,115.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,661.79 : 267,253.43 = 108,778.92 : x
  2. Step 2: Convert to fraction form
    193,661.79/267,253.43 = 108,778.92/x
  3. Step 3: Cross multiply
    193,661.79x = 267,253.43 × 108,778.92
  4. Step 4: Simplify right side
    193,661.79x = 29,071,538,937.80
  5. Step 5: Solve for x
    x = 29,071,538,937.80/193,661.79
  6. Step 6: Final answer
    x = 150,115.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.